CVE-2026-63956

Estado: Pendiente de análisisSin puntuar—

In the Linux kernel, the following vulnerability has been resolved:

USB: serial: cypress_m8: fix memory corruption with small endpoint

Make sure that the interrupt-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption or NULL-pointer dereference should a malicious device report a smaller size.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.22%
Percentil entre todas las CVEs puntuadas: 11
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux Kernel^AI

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2026-63956",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3416eaa1f8f8d516b77de514e14cf8da256d28fb",
              "lessThan": "4fcb22218f0a7229b7ce3b3952fb644def293fa5",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "3416eaa1f8f8d516b77de514e14cf8da256d28fb",
              "lessThan": "ad3d1628a46134276546d7a12fedf04be9979158",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "3416eaa1f8f8d516b77de514e14cf8da256d28fb",
              "lessThan": "52e18ae0c47c5c89e18fcd8022f287f7cc8802ec",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "3416eaa1f8f8d516b77de514e14cf8da256d28fb",
              "lessThan": "4bcaa59f403dbde6328604a500d65ee8d40975d9",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "3416eaa1f8f8d516b77de514e14cf8da256d28fb",
              "lessThan": "1ef25704bd3b625fd151c09feee459479f71ee64",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "3416eaa1f8f8d516b77de514e14cf8da256d28fb",
              "lessThan": "284105c40fc31fff90cdab8a0377aaeb92f87f0e",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "3416eaa1f8f8d516b77de514e14cf8da256d28fb",
              "lessThan": "6c13f3bb652bc8665e709ba07122612586aea648",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "3416eaa1f8f8d516b77de514e14cf8da256d28fb",
              "lessThan": "e1a9d791fd66ab2431b9e6f6f835823809869047",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/usb/serial/cypress_m8.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.26"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "2.6.26",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.10.259",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.210",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.176",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.143",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.93",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.35",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.0.12",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/usb/serial/cypress_m8.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-07-19T16:17:14.410",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1ef25704bd3b625fd151c09feee459479f71ee64",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/284105c40fc31fff90cdab8a0377aaeb92f87f0e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/4bcaa59f403dbde6328604a500d65ee8d40975d9",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/4fcb22218f0a7229b7ce3b3952fb644def293fa5",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/52e18ae0c47c5c89e18fcd8022f287f7cc8802ec",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6c13f3bb652bc8665e709ba07122612586aea648",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ad3d1628a46134276546d7a12fedf04be9979158",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e1a9d791fd66ab2431b9e6f6f835823809869047",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: cypress_m8: fix memory corruption with small endpoint\n\nMake sure that the interrupt-out endpoint max packet size is at least\neight bytes to avoid user-controlled slab corruption or NULL-pointer\ndereference should a malicious device report a smaller size."
    }
  ],
  "lastModified": "2026-07-30T14:51:11.223",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}